Use the sample data in the accompanying table. The table includes the results for the top performers

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Use the sample data in the accompanying table. The table includes the results for the top performers in the 1996 Molson Indy Toronto. Note that the data in the Final Position column are ordinal and thus should not be used in the regressions. The distance between the first and second final positions, for example, may be quite different from the distance between the second and third final positions. Intervals between starting positions, however, are assumed to correspond to consistent track distances. Times are given in seconds and speeds in miles per hour.
Use the sample data in the accompanying table. The table

a. Use a 0.05 significance level to test for a linear correlation between qualifying speed and starting position.
b. Find the equation of the regression line that expresses starting position (y) in terms of qualifying speed (x).
c. What is the best predicted starting position (rounded to a whole number) for a driver whose qualifying speed is 109.066?

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Elementary Statistics

ISBN: 9780321225979

3rd Canadian Edition

Authors: Mario F. Triola

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